diff --git a/codebase/Dhtmlx/Connector/Data/DataItem.php b/codebase/Dhtmlx/Connector/Data/DataItem.php
index 09ba8a0..8f317f2 100644
--- a/codebase/Dhtmlx/Connector/Data/DataItem.php
+++ b/codebase/Dhtmlx/Connector/Data/DataItem.php
@@ -59,10 +59,14 @@ public function set_value($name,$value){
             id of element
     */
     public function get_id(){
+        $return = false;
         $id = $this->config->id["name"];
-        if (array_key_exists($id,$this->data))
-            return $this->data[$id];
-        return false;
+        if ((is_array($this->data) && array_key_exists($id,$this->data)) ||
+            (is_object($this->data) && property_exists($this->data,'attributes') && isset($this->data[$id]))
+        ){
+            $return =  $this->data[$id];
+        }
+        return $return;
     }
     /*! change id of element
 
diff --git a/codebase/Dhtmlx/Connector/DataStorage/PHPLaravelDBDataWrapper.php b/codebase/Dhtmlx/Connector/DataStorage/PHPLaravelDBDataWrapper.php
index b99fd0f..cee476b 100755
--- a/codebase/Dhtmlx/Connector/DataStorage/PHPLaravelDBDataWrapper.php
+++ b/codebase/Dhtmlx/Connector/DataStorage/PHPLaravelDBDataWrapper.php
@@ -35,8 +35,14 @@ protected function getErrorMessage() {
 	}
 
 	public function insert($data, $source) {
-		$className = get_class($source->get_source());
-		$obj = new $className();
+		$obj = null;
+		if(method_exists($source->get_source(), 'getModel')){
+			$obj = $source->get_source()->getModel()->newInstance();
+		} else {
+			$className = get_class($source->get_source());
+			$obj = new $className();
+		}
+
 		$this->fill_model($obj, $data)->save();
 
 		$fieldPrimaryKey = $this->config->id["db_name"];
@@ -44,14 +50,24 @@ public function insert($data, $source) {
 	}
 
 	public function delete($data, $source) {
-		$className = get_class($source->get_source());
-		$className::destroy($data->get_id());
+		if(method_exists($source->get_source(), 'getModel')){
+			$source->get_source()->getModel()->find($data->get_id())->delete();
+		} else {
+			$className = get_class($source->get_source());
+			$className::destroy($data->get_id());
+		}
 		$data->success();
 	}
 
 	public function update($data, $source) {
-		$className = get_class($source->get_source());
-		$obj = $className::find($data->get_id());
+		$obj = null;
+		if(method_exists($source->get_source(), 'getModel')){
+			$obj = $source->get_source()->getModel()->find($data->get_id());
+		} else {
+			$className = get_class($source->get_source());
+			$obj = $className::find($data->get_id());
+		}
+
 		$this->fill_model($obj, $data)->save();
 		$data->success();
 	}
diff --git a/codebase/Dhtmlx/Connector/GanttConnector.php b/codebase/Dhtmlx/Connector/GanttConnector.php
index e581386..a2ceae8 100755
--- a/codebase/Dhtmlx/Connector/GanttConnector.php
+++ b/codebase/Dhtmlx/Connector/GanttConnector.php
@@ -98,9 +98,12 @@ function delete_related_links($action){
             $links = $this->options["links"];
             $value = $this->sql->escape($action->get_new_id());
             $table = $links->get_request()->get_source();
-
-            $this->sql->query("DELETE FROM $table WHERE source = '$value'");
-            $this->sql->query("DELETE FROM $table WHERE target = '$value'");
+            if(method_exists($table, 'getModel') && method_exists($table->getModel(), 'getTable')){
+                $table->where('source', '=', $value)->orWhere('target', '=', $value)->delete();
+            } else {
+                $this->sql->query("DELETE FROM $table WHERE source = $value");
+                $this->sql->query("DELETE FROM $table WHERE target = $value");
+            }
         }
     }